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发明名称
Perfectionnements apportés aux procédés et dispositifs pour laver par contre-courant des lits filtrants
摘要
申请公布号
FR1336473(A)
申请公布日期
1963.08.30
申请号
FR19620908120
申请日期
1962.08.29
申请人
发明人
MOORE RICHARD, PIERPONT
分类号
B01D24/20;B01D24/22
主分类号
B01D24/20
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代理人
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